//
//  ObservableObject.h
//  WengWeng5
//
//  Created by HanFeng on 14-2-26.
//  Copyright (c) 2014年 mafengwo. All rights reserved.
//

#import <Foundation/Foundation.h>

@protocol ObservableObject <NSObject>

- (NSArray *)observers;

- (void)registerObserver:(id)observer;
- (void)unregisterObserver:(id)observer;

@end

@interface ObservableObject : NSObject <ObservableObject>

@end
